Boltight - Bolt Tensioning Experts

Boltight supplies and refurbishes a wide range of standard and bespoke bolt tensioning tools and ancillary equipment. We are experts in bolt tensioning for the power generation market and our tools are used in steam, gas, diesel, nuclear, wind and hydro power stations. We are also major suppliers of bolt tensioning equipment to the oil and gas and industrial engineering markets. We provide a quick service with many items immediately available from stock. Our tools are in use all over the world

Specialist design

Boltight has been at the forefront of the bolt tensioning business for many years. Working in partnership with our customers, Boltight has developed new ways to deliver cost-effective solutions for numerous industrial bolting applications, from a high performance standard tool range to our uniquely designed tools to suit specific market and application requirements.

Advanced technology

Our tools feature advanced technology and are built to the highest standards. The tools are lightweight, compact and easy to use with a focus on safe operation and product quality. We strive to achieve total reliability and professional excellence at all times.

Boltight tools will handle the vast majority of bolt tightening work. Benefiting from state of the art design concepts and incorporating the latest technology composite material seals, our tools will operate quickly and safely to achieve high residual bolt stresses. Equipment working at pressures above 1000 bar are CE marked and conform to the requirements of the European Pressure Equipment Directive.

Product Development and Testing

We operate a policy of continuous product development and improvement to keep Boltight at the forefront of bolt tensioning technology and ensure our tools always meet our customers' needs. High pressure cyclical fatigue testing is used during our product development and testing.

Our products and services

  • Spring return bolt tensioners
  • Xtra load bolt tensioners
  • Hydraulic nuts
  • Subsea bolt tensioners
  • Subsea flange pullers
  • MST flange tensioners
  • Bolt tensioners for gas turbine rotors
  • Bolt tensioners for gas turbine casings
  • Hydraulic closure system for steam turbines
  • Nut splitters
  • Hydraulic pumps and hoses
  • Echometer U/T bolt elongation monitoring
  • Thread protection covers
  • Equipment service and certification

Power generation industry

We design and manufacture tooling for all sectors of the power generation industry. Our bolt tensioners are used for critical bolting during construction and maintenance of turbine casings, piping, pumps and valves. We supply specially designed kits for gas turbine casing bolting and the equal load tensioning of rotor through bolts. For tops on: tops off on steam turbine casings we offer a dedicated turbine closure system. We design and service unique bolt tensioner kits for critical bolting on diesel and gas engines. We supply MST flange tensioners for nuclear reactor bolting. In the wind industry our tools are used on wind turbine tower base bolts, frame, bearing and blade bolted joints. We also supply special bolt tensioners for the hydro sector.

Products and Services

Contact Details

Unit 2 Junction 10 Business Park
Bentley Mill Way
West Midlands
United Kingdom
Tel: +44 (0)845 500 5556
Fax: +44 (0)845 500 5557

Bolt tensioners
Hydraulic closure nuts
Standard tools
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